Answer:

kilned

AnswerCrossword Clue
KILNEDFired a pot
KILNEDBurned, as brick.
KILNEDBaked, as pottery.
KILNEDBaked bricks
KILNEDPlaced in an oast
KILNEDBaked in an oven
KILNEDBaked in an oven, as bricks